Waffle iron



FIG. 1 is a perspective view as seen from the top, front and right side of a waffle iron showing the new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a perspective view as seen from the bottom, rear, and right side thereof.

The broken lines shown are included for the purpose of illustrating the unclaimed portions of the article and form no part of the claimed design. 

The ornamental design for a waffle iron, as shown and described. 